How far is Portland, OR, from Casper, WY?
The distance between Casper (Casper–Natrona County International Airport) and Portland (Portland International Airport) is 820 miles / 1320 kilometers / 713 nautical miles.
The driving distance from Casper (CPR) to Portland (PDX) is 1130 miles / 1818 kilometers, and travel time by car is about 20 hours 10 minutes.
Casper–Natrona County International Airport – Portland International Airport
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Distance from Casper to Portland
There are several ways to calculate the distance from Casper to Portland. Here are two standard methods:
Vincenty's formula (applied above)- 820.301 miles
- 1320.147 kilometers
- 712.822 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
Haversine formula- 818.193 miles
- 1316.754 kilometers
- 710.990 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).
How long does it take to fly from Casper to Portland?
The estimated flight time from Casper–Natrona County International Airport to Portland International Airport is 2 hours and 3 minutes.
What is the time difference between Casper and Portland?
The time difference between Casper and Portland is 1 hour. Portland is 1 hour behind Casper.
Flight carbon footprint between Casper–Natrona County International Airport (CPR) and Portland International Airport (PDX)
On average, flying from Casper to Portland generates about 137 kg of CO2 per passenger, and 137 kilograms equals 301 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Casper to Portland
See the map of the shortest flight path between Casper–Natrona County International Airport (CPR) and Portland International Airport (PDX).
Airport information
| Origin | Casper–Natrona County International Airport |
|---|---|
| City: | Casper, WY |
| Country: | United States  |
| IATA Code: | CPR |
| ICAO Code: | KCPR |
| Coordinates: | 42°54′28″N, 106°27′50″W |
| Destination | Portland International Airport |
|---|---|
| City: | Portland, OR |
| Country: | United States |
| IATA Code: | PDX |
| ICAO Code: | KPDX |
| Coordinates: | 45°35′19″N, 122°35′52″W |